648452263 has 2 divisors, whose sum is σ = 648452264. Its totient is φ = 648452262.

The previous prime is 648452261. The next prime is 648452293. The reversal of 648452263 is 362254846.

648452263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 648452263 - 2¹ = 648452261 is a prime.

Together with 648452261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (648452261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324226131 + 324226132.

It is an arithmetic number, because the mean of its divisors is an integer number (324226132).

Almost surely, 2^648452263 is an apocalyptic number.

648452263 is a deficient number, since it is larger than the sum of its proper divisors (1).

648452263 is an equidigital number, since it uses as much as digits as its factorization.

648452263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 40.

The square root of 648452263 is about 25464.7258575466. The cubic root of 648452263 is about 865.5510151558.

The spelling of 648452263 in words is "six hundred forty-eight million, four hundred fifty-two thousand, two hundred sixty-three".